Combined transmitter and receiver for an alarm unit



FIG. 1 is a front elevational view of a combined transmitter and receiver for an alarm unit, showing two embodiments of my new design;

FIG. 2 is a rear elevation view thereof;

FIG. 3 is a left side elevational view thereof;

FIG. 4 is a right side elevational view thereof;

FIG. 5 is a top plan view thereof; and,

FIG. 6 is a bottom plan view thereof. 

The ornamental design for a combined transmitter and receiver for an alarm unit, as shown and described. 